_:n59205de08ed84d3680ff513151052f9exb2
<http://schema.org/item>
<https://bogoss.hatenablog.com/archive/category/%E3%83%95%E3%83%A9%E3%83%B3%E3%82%B9%E7%94%9F%E6%B4%BB>
<https://bogoss.hatenablog.com/entry/2019/01/08/150706>